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Finding the Way

Which effect ...

Question

Which effect is seen during the sunrise and sunset due to
the bending of sunlight as it enters the Earth’s atmosphere?
A. Early sunrise B. Delayed sunrise
C. Early sunset D. Delayed sunset

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Q. Atmospheric refraction causes advance sunrise and delayed sunset. By how much time is :
(a) sunrise advanced ?
(b) sunset delayed ?

Q. Early sunrise and delayed sunset happens due to atmospheric refraction.

what is the difference between delayed and early sunrise AND why sun appers red during sunrise and sunset?

Q. With the help of suitable diagram, explain the phenomenon of early sunrise and delayed sunset. [3 Marks]

Q. Atmospheric refraction causes various cool phenomena that we see around us on daily basis. The refractive index depends on the density of the material and thus the refractive index of atmosphere decreases with height. This causes the light rays to bends toward the normal as it reaches the surface of the earth.
Based on the passage answer the given two questions:

(i) Which effect is seen during the sunrise and the sunset due to the bending of sunlight as it enters the earth’s atmosphere?
(A). Early sunrise
(B). Delayed sunrise
(C). Early sunset
(D). Delayed sunset

(ii) In an Arctic region object appears to float in the air and the phenomena is called looming. In this case the refractive index of the region closer to surface has ________ refractive index than that far above the surface.
(A). greater
(B). less
(C). the same
(D). infinite

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